Proto Labs Inc (NY: PRLB )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 28, 2012	32.87	33.88	32.80	33.82	177,658	+0.81(+2.45%)
Sep 27, 2012	33.23	33.50	32.82	33.01	239,834	-0.56(-1.67%)
Sep 26, 2012	33.67	33.94	33.14	33.57	70,014	-0.16(-0.47%)
Sep 25, 2012	33.50	34.33	33.24	33.73	170,055	+0.26(+0.78%)
Sep 24, 2012	33.76	33.76	32.80	33.47	56,256	+0.07(+0.21%)
Sep 21, 2012	33.66	33.85	33.09	33.40	148,274	+0.11(+0.33%)
Sep 20, 2012	32.61	33.44	32.37	33.29	213,826	+0.48(+1.46%)
Sep 19, 2012	33.39	33.39	32.56	32.81	110,626	+0.10(+0.31%)
Sep 18, 2012	32.71	32.75	32.55	32.71	41,015	+0.06(+0.18%)
Sep 17, 2012	32.75	32.85	32.50	32.65	58,965	-0.03(-0.09%)
Sep 14, 2012	32.75	32.95	32.43	32.68	136,632	-0.11(-0.34%)
Sep 13, 2012	31.01	32.94	31.01	32.79	293,291	+0.50(+1.55%)
Sep 12, 2012	32.36	32.90	31.71	32.29	144,587	-0.01(-0.03%)
Sep 11, 2012	32.58	32.76	32.02	32.30	178,961	-0.20(-0.62%)
Sep 10, 2012	32.43	32.90	32.36	32.50	144,849	+0.11(+0.34%)
Sep 07, 2012	31.38	33.04	31.35	32.39	336,739	+1.14(+3.65%)
Sep 06, 2012	30.54	31.50	30.36	31.25	169,690	+0.90(+2.97%)
Sep 05, 2012	30.78	31.00	30.33	30.35	272,350	-0.44(-1.43%)
Sep 04, 2012	31.50	31.50	30.62	30.79	334,807	-0.67(-2.13%)
Aug 31, 2012	31.00	31.49	30.92	31.46	257,498	+0.29(+0.93%)
Aug 30, 2012	31.63	31.84	30.82	31.17	258,039	-0.53(-1.67%)
Aug 29, 2012	31.89	32.11	31.52	31.70	246,354	+0.00(+0.00%)
Aug 27, 2012	32.71	32.71	31.50	31.70	224,217	-0.94(-2.88%)
Aug 24, 2012	31.40	32.88	31.40	32.64	609,941	+0.62(+1.94%)
Aug 23, 2012	31.69	33.07	31.02	32.02	706,195	-0.98(-2.97%)
Aug 22, 2012	32.08	33.01	32.00	33.00	673,632	-0.39(-1.17%)
Aug 21, 2012	34.00	34.88	33.04	33.39	102,028	-0.60(-1.77%)
Aug 20, 2012	36.00	36.92	33.45	33.99	160,320	-1.40(-3.96%)
Aug 17, 2012	36.16	36.25	35.23	35.39	90,914	-0.76(-2.10%)
Aug 16, 2012	35.40	37.29	35.40	36.15	100,716	+0.93(+2.64%)
Aug 15, 2012	33.91	35.34	33.65	35.22	32,020	+1.27(+3.74%)
Aug 14, 2012	35.24	35.39	33.69	33.95	71,713	-1.19(-3.39%)
Aug 13, 2012	34.62	35.95	33.61	35.14	49,662	+0.41(+1.18%)
Aug 10, 2012	35.63	36.40	33.47	34.73	98,139	-0.89(-2.50%)
Aug 09, 2012	36.55	36.55	34.50	35.62	118,614	-1.07(-2.92%)
Aug 08, 2012	37.14	37.22	36.13	36.69	45,455	-0.23(-0.62%)
Aug 07, 2012	37.56	37.69	36.30	36.92	47,487	-0.31(-0.83%)
Aug 06, 2012	37.91	38.99	36.66	37.23	81,952	-0.66(-1.74%)
Aug 03, 2012	37.90	39.23	37.31	37.89	51,771	+0.13(+0.34%)
Aug 02, 2012	38.87	38.87	36.53	37.76	63,572	-1.68(-4.26%)
Aug 01, 2012	38.00	41.10	37.33	39.44	208,932	+1.61(+4.26%)
Jul 31, 2012	36.02	38.82	36.02	37.83	95,938	+1.56(+4.30%)
Jul 30, 2012	37.26	37.74	36.10	36.27	78,787	-0.83(-2.24%)
Jul 27, 2012	36.00	37.36	34.25	37.10	67,765	+1.70(+4.80%)
Jul 26, 2012	33.57	35.40	33.57	35.40	93,090	+1.92(+5.73%)
Jul 25, 2012	32.31	33.85	32.00	33.48	165,922	+1.48(+4.62%)
Jul 24, 2012	33.90	33.90	30.13	32.00	643,047	-1.97(-5.80%)
Jul 23, 2012	34.75	35.00	33.68	33.97	153,378	-1.20(-3.41%)
Jul 20, 2012	37.53	38.00	35.11	35.17	61,853	-2.33(-6.21%)
Jul 19, 2012	38.02	38.13	37.44	37.50	71,827	-0.34(-0.90%)
Jul 18, 2012	37.74	38.18	36.41	37.84	173,569	+0.11(+0.29%)
Jul 17, 2012	34.14	38.52	34.11	37.73	189,589	+3.62(+10.61%)
Jul 16, 2012	33.96	34.52	33.59	34.11	52,246	+0.39(+1.16%)
Jul 13, 2012	34.25	34.50	33.70	33.72	157,369	-0.09(-0.27%)
Jul 12, 2012	32.15	34.23	31.86	33.81	263,537	+1.70(+5.29%)
Jul 11, 2012	30.61	32.17	30.54	32.11	486,574	+2.11(+7.03%)
Jul 10, 2012	30.26	31.04	29.50	30.00	256,854	+0.11(+0.37%)
Jul 09, 2012	30.17	30.46	29.32	29.89	164,883	-0.01(-0.03%)
Jul 06, 2012	30.51	30.51	28.98	29.90	179,411	-1.05(-3.39%)
Jul 05, 2012	32.98	32.98	30.81	30.95	234,539	-0.82(-2.58%)
Jul 03, 2012	30.17	32.00	30.17	31.77	229,295	+1.68(+5.58%)